Labour-time. 497 CHAPTER XVIII THE TURNOVER OF.
81 III. 60c + 40v 100% 40 40% 51 131 91 IV. 85c + 15v 100% 15 115 15% V. 95c + 5t 100% 5 5% 10 20 15.
81 III. 60c + 40v 100% 40 40% 51 131 91 IV. 85c + 15v 100% 15 115 15% V. 95c + 5t 100% 5 5% 10 20 15.